Vulnerability in Canonical Snapd
CVE-2019-11503
snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a "cwd restore permission bypass."
EPSS: 0.024 (82.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Canonical Snapd
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Third Party Advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2019-11503?
- CVE-2019-11503 is a high-severity vulnerability in Canonical Snapd, classified under Improper Link Resolution Before File Access. CVSS score: 7.5/10. Published 2019-04-24.
- How severe is CVE-2019-11503?
- High severity. CVSS v3 base score is 7.5 out of 10.